The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 04, 1976
Filed:
Apr. 14, 1975
Wilburn C Willis, Hagerstown, IN (US);
Aluminum Company of America, Pittsburgh, PA (US);
Abstract
A molded container is disclosed which has a cylindrical neck portion with threads on it for securing a closure on the container and a plurality of teeth projecting upwardly from the exterior surface of the container near the threads for engaging mating teeth on the closure. Each of the container teeth has a locking surface which lies in a plane disposed generally radially of the vertical axis of the container and an outwardly-upwardly facing cam surface which lies in a plane angled inwardly toward the vertical axis of the container from the bottom to the top of the tooth and angled with respect to the plane of the locking surface. A method and apparatus for forming such a container is also disclosed.